Vehicle body assembly used in common for two-wheel-and four-whee

Details Vehicle body assembly used in common for two-wheel-and four-whee Vehicle body assembly used in common for two-wheel-and four-whee

1988-04-05

1989-04-04

Rice, Kenneth R.

Land vehicles

Wheeled

Running gear

180312, 280716, B62D 2100

Patent

active

048179868

ABSTRACT:
The present invention relates to a suspension system in a vehicle body assembly which is used in common for a four-wheel-steering vehicle and a two-wheel-steering vehicle. In the present invention, a front suspension system installed in a four-wheel-steering vehicle is set to have a higher lateral rigidity than when installed in a two-wheel-steering vehicle, so that the front suspension system can withstand the lateral forces acting on the front wheels of the four-wheel-steering vehicle, said lateral forces being larger than those in a two-wheel-steering vehicle. Further, the suspension system is set to have a lowered rigidity against rolling of the vehicle body where it is installed in a four-wheel-steering vehicle, whereby the riding comfort can be maintained as that of the two-wheel-steering vehicle. In addition, a front steering mechanism installed in a four-wheel-steering vehicle is set to have a steering ratio which is smaller than where it is installed in a two-wheel-steering vehicle, by which even when the rear wheels are steered in the same direction as the front wheels, the four-wheel-steering vehicle can be handled in the same manner as the two-wheel-steering vehicle.

REFERENCES:
patent: 4106807 (1978-08-01), Sakurai
patent: 4263980 (1981-04-01), Harlow, Jr. et al.
patent: 4453740 (1984-06-01), von der Ohe et al.
patent: 4714132 (1987-12-01), Hattori et al.
patent: 4720120 (1988-01-01), Shimatani et al.
patent: 4723791 (1988-02-01), Miura et al.

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